Speaker Profile: Cui Guizhen, bachelor's, master's and doctorate at Peking University, then a postdoctoral fellow in the Academy of Mathematics and System Sciences, Chinese Academy of Sciences and the work so far. The main research direction: the complex analysis, Teichmuller space, complex dynamical systems. ., Trans. Amer. Math. Soc. Mathematics and other top domestic and foreign magazines published more than 20 papers in Invent. Math. Working with others to Thurston characterizations of critical finite rational functions extended to any hyperbolic rational functions, so as to solve a problem raised by McMullen. He has presided over the National Natural Science Foundation of China and the National Outstanding Youth Fund.

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Department of Mathematics, School of Mathematics and Information, South China Agricultural University